• Whitepaper about the effective control of Myzus persicae

  parasitizes more aphids than A. colemani • At 15 ºC one female A. matricariae can parasitize 50 aphids while at the same temperature A. colemani can only parasitize [...] parasitize a similar number of aphids (between 60 and 90) Egg Adult Empty aphid mummy Life cycle of A. matricariae and A. colemani Aphid mummy with pupa [...] weeks at 21 ºC in the greenhouse Mummies per leaf 140 120 100 80 60 • A. matricariae is more effective compared to A. colemani 40 20 0 A. colemani 0

• Effect of Nezapar Leaflet

  be treated with highly disruptive chemical agents leaving growers to make a difficult choice; the labour-intensive manual squeezing of the stink bug, risking [...] risking damage of their valuable crop, or the application of disruptive corrections. With Nezapar growers can continue to rely on their biocontrol systems [...] eggs, and after pupation they emerge from the host egg by biting a hole in the lid of the Nezara egg. 01-2023 Low rate: 1 Trissolcus/m²/week High rate:

• Pollination checklist Growing lights

  sure the hives are not overheated by the lamps and other means, or by the sun in spring and late autumn. The later the lights are turned on, the more [...] connecting the transmitter to the climate computer. Heat Do not turn the lights on before midnight Screens and filters Place the Natupol hive with the WBH [...] pollination. The sun activates the bumblebees 09:00 08:00 Keep the hives closed during one day of snowfall. If possible, remove the snow from the roof. 07:00

• Beneficial Nematodes against Horticultural Pests

  and liquify the insect from the inside. The nematodes feed on the digested tissues of the dead insect and reproduce in large numbers. The pest insect stops [...] within a few days. The nematodes that emerge then start their search for a new host. Part of the IPM toolbox Nematodes have increasingly become a powerful [...] measure much less than a millimeter, so cannot be seen with the naked eye. As small as they are, they play an important role in the biological control of

• Whitepaper new Myzus persicae genotype

  LS Myzus persicae. With this DNA technique they did not only track the occurrence, frequency and spread of the new genotype in the field, they also proved [...] Know Thy Enemy The appearance of a new Myzus persicae genotype Myzus persicae is well known to quickly develop pesticide resistance. In the past 80 years [...] aphids. A new Myzus persicae genotype less sensitive (LS) to flonicamid appeared in 2021 in the Netherlands. It quickly spread throughout the country in

• Predatory Mites Whitepaper

  very slow. If the temperature is below 8°C for a longer time, A. swirskii will die. Control of thrips • N. cucumeris, A. swirskii and A. andersoni predate [...] andersoni. In a healthy, good growing plant canopy the humidity close to the leaf surface, where the mites live, is higher than in the surrounding air. High humidity [...] has the highest numerical response to whiteflies and is the best option when the pest pressure is high. • In laboratory trials the oviposition of A. andersoni

• Entonem_research_results_cold_tolerance_EN_-_Koppert.pdf

  it can take more time (weeks) before the full effect of the nematodes is visible (best visible in trial 3). With difficult pests like black vine weevil [...] mimicked with fluctuating day and night temperature regimes ranging between 5 and 13°C within 24 hours, showed that Entonem can already be used from a lower [...] Entonem proves to be cold tolerant Cold tolerant nematode A strong player to control black vine weevil in early spring and autumn Cold day 24h: 5-9-13-9°C

• Nematóides benéficos para o controle de pragas em culturas externas

  Jan Koppert, a Dutch grower with a clear vision; the world needed an alternative for chemical pesticides. He was the first to introduce a natural enemy [...] partner with nature. And strive for a healthy future. Growing a resilient crop takes expert knowledge and a great deal of experience. Growing in a sustainable [...] amplo espectro de pragas nocivas, como a traça-das-frutas, a mariposa-oriental, a tortrix das frutas de verão e a broca do galho do pêssego. Os produtores

• Mycotal - Effective at lower temperatures

  night and 14 °C during the day, mimicking a cold day in the greenhouse. 10 5 The lines are predicted values and the ribbons around the lines are 95% Confidence [...] lab conditions at a temperature regime of 5 °C at night and 14 °C during the day, mimicking a cold day in the greenhouse. 60 40 The lines are predicted [...] will start to build up a population as soon as the conditions are favourable. This can become a serious threat to you crop in a later stage. Therefore

• Plant Pollinator interactions in high temperatures

  protection, the plant aborts the fruit to reduce fruit load on the plant and directs the assimilates to the vegetative growth of the plant. This is undesirable [...] plantings. A combination of high light and low humidity forces the plant to work too hard, and as a result, the setting on the first fruit is skipped. The plant [...] However, the conditions in the greenhouse give the plant the impulse to transpire excessively. The plant goes into self-protection mode by skipping the fruit